Re: [PATCH] Revert "x86, efi: Calling __pa() with an ioremap()edaddress is invalid"

[H. Peter Anvin]

On 12/12/2011 09:21 AM, Keith Packard wrote:
> On Mon, 12 Dec 2011 08:50:52 -0800, Linus Torvalds
> <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:
> 
>> Ahh. And the reason it works for me is that I don't even have 
>> "CONFIG_EFI" enabled, much less EFI debugging. So I never trigger
>> the buggy code at all.
> 
> I foolishly assumed that an EFI machine required CONFIG_EFI...
> 

Machines with EFI only do.

Machines which support BIOS emulation don't (and are generally better
off booted in that mode...)

It depends mostly if you have and EFI or a BIOS bootloader.

	-hpa


-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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